The drive is attached to an air inlet retsirkuliruyemogo/fresh air of the block of the main fan and actuates a shutter, choosing position of the lever switch retsirkuliruyemogo/fresh air.
Check
PERFORMANCE ORDER
1. Check, whether will earn the electric motor after giving (+) on contact (1) and (–) on contact (2). Check also change of the direction of its rotation on opposite at connection upside-down.
2. At malfunction of the electric motor replace it.